<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<style>
    @font-face {
        font-family: myfont;
        src: url('fonts/demo2-1/书法.ttf');
    }
    
    div {
        font-family: myfont;
        font-size: 4em;
    }
</style>

<body>
    <div>
    </div>
</body>

</html>